Portage County, WI

ZIP 54494

In ZIP 54494, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hickory Shade meets every EPA legal limit; 5 contaminants are above health goals, led by pfos at 2× California’s Public Health Goal.
• Closer to Superfund sites than 58% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Matalco (44%), mostly dioxin and dioxin-like compounds.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 836,979 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 54494

• Superfund sites nearbyA to C
• Factories and industrial sitesA to D
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityB
• Drinking water qualityA to C
• Pesticide useD to F
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to B
• Radiation signalsB to C

Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources

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